Display screen or portion thereof with icon



FIG. 1 is the front image for a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is the front image for a display screen or portion thereof with icon showing an alternative embodiment of our new design.

The dot dash lines illustrate the display screen or portion thereof and are also a boundary line. They form no part of the claimed design. 

CLAIM We claim, the ornamental design for a display screen or portion thereof with icon, as shown and described. 